25554560125 has 16 divisors (see below), whose sum is σ = 32052384000. Its totient is φ = 20340896400.

The previous prime is 25554560107. The next prime is 25554560149. The reversal of 25554560125 is 52106545552.

It is not a de Polignac number, because 25554560125 - 2¹⁵ = 25554527357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488785 + ... + 538534.

It is an arithmetic number, because the mean of its divisors is an integer number (2003274000).

Almost surely, 2^25554560125 is an apocalyptic number.

25554560125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25554560125 is a deficient number, since it is larger than the sum of its proper divisors (6497823875).

25554560125 is a wasteful number, since it uses less digits than its factorization.

25554560125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027533 (or 1027523 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 25554560125 in words is "twenty-five billion, five hundred fifty-four million, five hundred sixty thousand, one hundred twenty-five".